Description

Potassium Bisulfate is an inorganic acid salt widely recognized for its utility as a source of bisulfate ion and as a versatile acidic reagent in industrial processes. Its importance lies in providing a stable, solid alternative to liquid mineral acids, offering enhanced safety and handling convenience for various chemical transformations. This compound is essential for manufacturers and laboratories in the chemical synthesis, metal treatment, and pH adjustment sectors, where precise and controlled acidity is required.

Application

• As an acid catalyst in organic synthesis and esterification reactions.
• For pH adjustment and control in industrial wastewater treatment and chemical processes.
• In metal surface treatment and cleaning formulations, particularly for pickling and descaling.
• As a flux in metallurgy and soldering applications.
• In the production of potassium fertilizers and other potassium salts.
• As a laboratory reagent for analytical chemistry and sample preparation.
• In the food industry as an acidulant and processing aid (subject to appropriate grade and regulatory approval).
• For the regeneration of ion exchange resins in water purification systems.

Basic Information

Product Name	Potassium Bisulfate
CAS No.	7646-93-7
Molecular Formula	KHSO4
Molecular Weight	136.17 g/mol
Synonyms	Potassium hydrogen sulfate; Potassium acid sulfate; Sulfuric acid, monopotassium salt; Monopotassium sulfate; Bisulfate of potash; KHSO4; Acid potassium sulfate
EINECS	231-594-1

Quality Control

Our Potassium Bisulfate is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. The product undergoes rigorous testing, including assay, impurity profiling, and physical characterization, to meet relevant industrial and technical grade specifications. A Certificate of Analysis (COA) documenting key parameters is provided with each shipment and is available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent caking and degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White crystalline powder or granules
Identification (IR)	Conforms
Assay (KHSO4)	≥ 98.0 %
pH (1% solution)	Approx. 1.0 - 2.0
Water Insoluble Matter	≤ 0.1 %
Chloride (Cl)	≤ 0.01 %
Iron (Fe)	≤ 0.005 %
Heavy Metals (as Pb)	≤ 0.002 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.